Whereas adaptive immunity is thought to be a response to specific bacteria, viruses, fungi and parasites, innate immunity has always been seen as the body's general response to all threats of disease.
Immunological memory is an important characteristic of adaptive immune response and elucidation of its cellular basis is critical for vaccine exploration and disease prevention.
免疫记忆是适应性免疫应答的重要特征，其细胞学基础的阐明是疫苗开发和疾病预防的关键。
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Background and Objective: Development of coronary collateral circulation is an important adaptive mechanism occurring in patients with occlusive coronary artery disease.